Biasable seal for gate valves

Details Biasable seal for gate valves Biasable seal for gate valves

1976-03-17

1977-05-31

Rosenthal, Arnold

Valves and valve actuation

Mechanical movement actuator

Particularly packed or sealed

251231, 251328, 251329, F16K 2704, F16K 302

Patent

active

040265170

ABSTRACT:
A selectively biased seal for a gate, which gate is translatable within a one piece liner of a gate valve, is disclosed. Lever means for operating the gate and oriented with or normal to the direction of flow through the gate valve are also described.

REFERENCES:
patent: 964838 (1910-07-01), Badger
patent: 1754198 (1930-04-01), Du Bois
patent: 2842283 (1958-07-01), Smith
patent: 2873943 (1959-02-01), Williams
patent: 2942841 (1960-06-01), Stillwagon
patent: 3033517 (1962-05-01), Rovang et al.

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